Properties of the Number 73165

Seventy-Three Thousand One Hundred Sixty-Five

Basics

Value: 73164 → 73165 → 73166

Parity: odd

Prime: No

Previous Prime: 73141

Next Prime: 73181

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 14633

Divisors: 1, 5, 14633, 73165

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001110111001101

Octal: 216715

Duodecimal: 36411

Hexadecimal: 11dcd

Square: 5353117225

Square Root: 270.4902955745363

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Numbers n such that n and the four successive integers produce primes if substituted for·in the polynomial 5x²+5x+1. See A090562, A090563. Terms show that longer similar chains also exist. A90100

a(n) is the smallest positive integer which can be represented as the sum of n distinct nonzero square pyramidal numbers in exactly n ways, or -1 if no such integer exists. A360218

Binomial transform of A083587. A83588

Numbers k such that (φ(k-2) + φ(k+2))/2 = φ(k); 2-φ/balanced numbers. A99633

Triangle T(n,k) read by rows: related to David G. Cantor's σ function. A73165